Finding the Fourth Proportional to 158,466.24, 218,557.44 and 134,671.68
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Solution
The fourth proportional to 158,466.24, 218,557.44 and 134,671.68 is: 185,739.86
Step by Step Solution
- Step 1: Write the proportion equation
158,466.24 : 218,557.44 = 134,671.68 : x - Step 2: Convert to fraction form
158,466.24/218,557.44 = 134,671.68/x - Step 3: Cross multiply
158,466.24x = 218,557.44 × 134,671.68 - Step 4: Simplify right side
158,466.24x = 29,433,497,621.30 - Step 5: Solve for x
x = 29,433,497,621.30/158,466.24 - Step 6: Final answer
x = 185,739.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.